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Finding the Third Proportional to 262,416 and 575,268

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Solution

The third proportional to 262,416 and 575,268 is: 1,261,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,416 : 575,268 = 575,268 : x
  2. Step 2: Convert to fraction form
    262,416/575,268 = 575,268/x
  3. Step 3: Cross multiply
    262,416x = 575,268 × 575,268
  4. Step 4: Simplify right side
    262,416x = 330,933,271,824
  5. Step 5: Solve for x
    x = 330,933,271,824/262,416
  6. Step 6: Final answer
    x = 1,261,101.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.